Journal-bearing construction



Jan. 14, 1930. 1; c. Hbwzs JOURNAL BEARING CONSTRUCTION Filed Sept. 15,1926 Patented Jan. 14, 1930 STATES UNE IRVING C. HOWES, OF NORTHANDOVER,

MASSACHUSETTS, ASSIGNOR TO DAVIS &

TION OF MASSACHUSETTS JOURNAL-BEARING CONSTRUCTION Application filedSeptember 13, 1926. Serial No. 135,067.

This invention relates to a ournal bearing construction wherein ajournal bearing sleeve having a lubricant-holding recess communicatingwith the bearing surface is employed, and the object of the invention isto provide means for positioning the bearing sleeve with thelubricant-holding recess at the top independently of the angularposition of the hearing block in which the sleeve is mounted.

The invention is particularly designed for use in a carding machine inconnection with the bearings for the worker and stripper rolls, thebearing blocks for which are necessarily mounted in various angularpositions around the arch of the frame.

The objects and features of the invention will appear more fully fromthe accompanying description and drawings and will be particularlypointed out in the claims.

While the invention is applicable to various bearing constructions invarious machines, it is particularly useful in connection with a cardingmachine and a simple and preferred form of construction embodying theinvention is here illustrated in connection with such a machine.

In the drawings:

Fig. 1 is a side elevation of a portion of the arch of the frame of acarding machine with one unit of a worker and stripper roll in oneangular position thereon.

Fig. 2 is a detail partially in end elevation and partially in sectionof a portion of the bearing for the stripper roll shown in Fig. 1.

Fig. 3 is a view partially in transverse section on the line 33 of Fig.2.

In the particular construe-ton illustrated, a portion of the arch 1 ofthe frame of a carding machine is shown. Such an arch is usually formedon a circular arc and a plurality of units, each comprising a workerroll and a stripper roll, which are located in clifferent angularpositions, that is, on different radii of the arch, usually throughoutsubstantially 180.

In the construction illustrated, a single unit is shown in one angularposition. This unit comprises a base plate 2 secured at the requiredangular position to the arch and on this base plate is adjustablymounted a bearing block 3 for the worker roll 4 and a bearing block 5for the stripper roll 6. It will thus be seen that these bearing blocksmay occupy any angular position, or any position radially of the arch,from the vertical to substantially the horizontal and in the illustratedposition are shown between these two extreme positions.

The bearing construction in the case of both worker roll and thestripper roll is the same sothat it is only necessary to illustrate anddescribe in detail but one, and for that purpose the bearingconstruction of the stripper roll is taken.

It will be understood, of course, that the construction may be and ispreferably the saplie at each end of the worker and stripper ro s.

The stripper roll 6 is provided at each end with a journal 7 On thisjournal is mounted a journal bearing sleeve 8. This sleeve is providedon the top or upper side with a lubricant holding recess 9, herein shownas a shallow cup formed in the metal of the sleeve and adapted toreceive a supply of oil, grease or other lubricant. This recess, bymeans of suitable apertures 10 extending from its bottom through thesleeve, communicates with the bearing surface and serves to lubricatethe journal 7.

It will be seen, therefore, that it'is necessary that thislubricant-holding recess 9 shall always be located at the topquiteindependently of the angular position of the bearing block on the frameof the machine and it is the principal object of the invention to securethis result.

The bearing block 5 is provided at its upper end with a curved seat,preferably semi-circular, and preferably presenting an open mouth. Inthe particular construction illustrated, this seat presents the opposedfrustoconical surfaces 11 and the intermediate surface 12.

The sleeve is preferably formed with an annular flange presentingopposed frusto-conical surfaces 13 cooperating with the surfaces 11 andwith an intermediate flat surface 14; between.

A plurality of circumferent-ially spaced recesses and a cooperatingprojection are located, the one at the exterior surface of the sleeveand the other at the surface of the bearbearing sleeve as illustrated.

It will. thus be seen that'when the bearing sleeve is inserted in thebearing seat, preferably by being inserted transversely through the openmouth of the bearing seat in the construction illustrated, that one orthe other of the recesses 16 may be brought into cooperation With theprojection 15 so as position the lubricant-holding recess 9 at the top,no matter what may be the angular position of the bearing block itself.WVhen the journal bearing sleeve has thus been placed in position, it isthus held, usually by gravity, in its adjusted position with thelubricant-holding recess'at the top, and thus there is no danger of thelubricant spilling or working out from the recess whatever may be theangular position of the bearing block.

Having thus described the invention, whatis claimed as new, and desiredto be secured by Letters Patent, is:

1. A journal bearing construction comprising a journal bearing sleevehaving a lubricant holding recess communicating with the bearingsurface, a bearing block having a curved seat cooperating with'theexterior surface of the sleeve and supporting the sleeve, and aplurality of circumferentially spaced recesses and a cooperatingprojection located the one at the exterior surface of the sleeve and theother at the surface of the bearing seat whereby the sleeve may bepositioned and held in the seat with the lubricant recess at the topindependently of theangular position of the bearing block.

2. A journal bearing construction comprising a journal bearing sleevehaving a lubricant holding recess communicating with the cant holdingrecess communicating With the bearing surface, a bearing block having asemi-circular open mouth seat into whichthe sleeve is inserted throughthe mouth and cooperating positioning means on the sleeve and bearingblock acting to hold the sleeve, when seated, with the lubricant recessat the top independently of the angular position of the IRVING C. HOWES.

